碘缺乏仍在世界范围内流行,它可导致甲状腺肿和甲状腺功能障碍,也是国际上公认的智力低下的主要原因。人们已普遍认识到在碘缺乏地区适宜的碘摄入量,除了维持人群甲状腺功能外,还是保证人群的智力正常发育的最经济有效的方法。基于个别地方碘过量引起的副作用的报告,人们已关注 Iodine deficiency is still prevalent in the world, which can cause goiter and thyroid dysfunction and is also internationally recognized as a major cause of mental retardation. It has generally been recognized that appropriate iodine intake in areas of iodine deficiency is the most cost-effective way of ensuring the normal intellectual development of the population in addition to maintaining thyroid function in the population. Concerns have been reported based on reports of side effects caused by iodine excess in individual places